UPPER PART STRUCTURE OF INTERNAL COMBUSTION ENGINE,申请号JP20120239657-传众专利搜索

UPPER PART STRUCTURE OF INTERNAL COMBUSTION ENGINE

申请公布号：JP2014088837(A)

申请号：JP20120239657

申请日期：2012.10.30

申请公布日期：2014.05.15

申请人：

DAIHATSU MOTOR CO LTD

发明人：KOYA KENTARO

分类号：F01M13/00;F02B67/00;F02F1/24

主分类号：F01M13/00

摘要：PROBLEM TO BE SOLVED: To prevent the adhesion of ice to a PCV pipeline while ensuring flexibility in the design of an engine and maintainability by limited dimensions in an engine room.SOLUTION: An upper part structure of an internal combustion engine: includes a plurality of ignition coils 121 attached to a cylinder head cover 1d while arranged in parallel in a crank shaft direction; a PCV passage 61 which is a PCV pipeline connected to the rear parts of the ignition coils 121 on an upper surface 1d1 of the cylinder head cover 1d; a raised portion 1d2 provided at a part before and behind the ignition coils 121 except for a part near the PCV passage 61 on the upper surface 1d1 of the cylinder head cover 1d; and a straightening wall 1d3 arranged between the ignition coils 121 and the PCV passage 61 while forming a gap 1d4 between the raised portions 1d2, and leading traveling air to an ignition coil attaching portion 1d5.